Finding the Third Proportional to 99,983.25 and 140,619.38

Step by Step Solution

1. Step 1: Write the proportion equation
   99,983.25 : 140,619.38 = 140,619.38 : x
2. Step 2: Convert to fraction form
   99,983.25/140,619.38 = 140,619.38/x
3. Step 3: Cross multiply
   99,983.25x = 140,619.38 × 140,619.38
4. Step 4: Simplify right side
   99,983.25x = 19,773,808,625.39
5. Step 5: Solve for x
   x = 19,773,808,625.39/99,983.25
6. Step 6: Final answer
   x = 197,771.21